Finding the Fourth Proportional to 12,636,867.18, 18,951,684.92 and 4,117,948.14
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Solution
The fourth proportional to 12,636,867.18, 18,951,684.92 and 4,117,948.14 is: 6,175,743.92
Step by Step Solution
- Step 1: Write the proportion equation
12,636,867.18 : 18,951,684.92 = 4,117,948.14 : x - Step 2: Convert to fraction form
12,636,867.18/18,951,684.92 = 4,117,948.14/x - Step 3: Cross multiply
12,636,867.18x = 18,951,684.92 × 4,117,948.14 - Step 4: Simplify right side
12,636,867.18x = 78,042,055,666,180.06 - Step 5: Solve for x
x = 78,042,055,666,180.06/12,636,867.18 - Step 6: Final answer
x = 6,175,743.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.